# Instinct vs Leon (slim)

> Leon scores 41 (E) to Instinct's 11.4 (F) for assistant proactive. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/instinct-vs-leon.md (~2,550 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/instinct-vs-leon.json · canonical https://www.anchorterminal.com/compare/instinct-vs-leon
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

Leon scores 41 (E) on agent readiness against Instinct's 11.4 (F), and leads in every scored category. Both do assistant proactive.

- Instinct: F 11.4, rank #984 of 986 · https://www.anchorterminal.com/tools/instinct.min.md
- Leon: E 41, rank #934 of 986 · https://www.anchorterminal.com/tools/leon.min.md
- Instinct, good for A consumer assistant for one adult who wants errands done by text or phone call, such as bill disputes, gifts, groceries, appointments and travel, and who accepts that it acts and spends as their agent.
- Leon, good for A developer who wants a self-hosted assistant with memory, computer use and a local model, and who will read the source. Ahead on Reliability, 32 against 5; Schema & documentation, 33 against 3; Agent ergonomics, 57 against 5; Security & auth, 34 against 25; Payments & pricing, 60 against 0; Maintenance & community, 15 against 3; Transparency & trust, 60 against 51. Also No key needed to call it; Free to start without a card; Open source.

| Category | Instinct | Leon |
| --- | --- | --- |
| Reliability (16%) | 5 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 3 | 33 |
| Agent ergonomics (13%) | 5 | 57 |
| Security & auth (14%) | 25 | 34 |
| Payments & pricing (10%) | 0 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 3 | 15 |
| Transparency & trust (7%) | 51 | 60 |

| Fact (where they differ) | Instinct | Leon |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | Spear Street Technology, Inc. | Louis Grenard (Leon AI) |
| Auth | OAuth or key | None |
| Pricing | Paid | Free |
| Licence | Proprietary service under Instinct's Terms of Service, which grant personal use only | MIT |
| Last release | none | 2023-05-01 |
| Terms last updated | 2026-08-26 | no document linked |
| Privacy policy last updated | 2026-08-26 | no document linked |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | none | 18k stars |